Fast National ratings for Monday, Dec. 16, 2013The final performances on "The Voice" carried NBC to a ratings win Monday, but the show will likely be down from last week (the network's Baltimore affiliate carried the "Monday Night Football" game) and off significantly from last fall's final performance episode. It did, however, help "The Sing-Off" score better ratings than its last few outings.Elsewhere Monday, "Mike & Molly" grew by a couple tenths of a point in adults 18-49 on CBS and scored its biggest overall audience since its season premiere. "Hostages" ticked up as well. FOX's "Almost Human" was down vs. last week.NBC brought in 11.1 million viewers and a 6.8 rating/11 share in households, pending updates for the local NFL telecast. CBS (6.9 million, 4.5/7) came in second. ABC (4.4 million, 2.8/4) currently sits in third, also pending updates for a local "Monday Night Football" broadcast in Detroit. FOX (3.9 million, 2.5/4) finished fourth,...